Holmes HAWF2030 Dual Blade Twin Window Fan with Thermostat

Holmes HAWF2030 Dual Blade Twin Window Fan with Thermostat Draws in cool air from the outdoors or exhausting stale indoor air Comfort control thermostat helps to maintain your personal comfort level by cycling on and off to the set level Designed to fit into most double hung and slider windows Slim design allows for use with window screen in place Adjustable extender screen and bonus extender panel help to secure fan into larger windows <<< Check Price & Full Review. >>>